gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

kernel: net: skbuff: propagate shared-frag marker through frag-transfer helpers

A flaw was found in the Linux kernel's networking skbuff component. When skbtrycoalesce attaches paged fragments, it can lose the SKBFLSHAREDFRAG marker. This can lead to the Encapsulating Security Payload ESP input decrypting data in place over page-cache backed fragments, potentially resulting ...

May 26, 2026—KB5089570 (OS Build 28000.2179) Preview

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Important: kernel-livepatch-6.12.73-95.123

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.73-95.123 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.16-18.222

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.16-18.222 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.80-105.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.80-105.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.163-186.299

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.163-186.299 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.80-106.156

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.80-106.156 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-210.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.170-210.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.168-202.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.168-202.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-5.10.252-250.1016

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-5.10.252-250.1016 Issue Correction: Please ensure you have live patching enabled. Run yum update...

PT-2026-47003

A flaw was found in gnutls. A use after free issue in client send params in lib/ext/pre shared key.c may lead to memory corruption and other potential consequences...

CVE-2026-41704 - Compromised VM can make arbitrary blobstore deletes | Cloud Foundry

MEDIUM CVSS 4.0 Score: 6.8 CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:H CVSS 3.1 Score: 5.0 CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:N Vendor Cloud Foundry Foundation Versions Affected Severity is MEDIUM unless otherwise noted. BOSH Director – All versions prior to v282.1.12...

Important: kernel-livepatch-6.18.8-9.213

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.8-9.213 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.20-41.237

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.20-41.237 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.25-55.108

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.25-55.108 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.25-52.107

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.25-52.107 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.79-101.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.79-101.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-208.319

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.170-208.319 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.83-111.159

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.83-111.159 Issue Correction: Please ensure you have live patching enabled. Run dnf update...